Category
KH.SZ-DDM Industrial Online Electrical Conductivity EC Sensor for Continuous High-Precision Water Quality and Process Monitoring in Industrial Wastewater, Reservoirs, and Environmental Applications
Digital Conductivity Measurement Instrument with RS485 Modbus RTU Communication for Industrial Tanks, Pipelines, Rivers, Lakes, and Smart IoT Monitoring Systems
Product Introduction
The KH.SZ-DDM Industrial Online Electrical Conductivity (EC) Sensor is a high-precision digital water quality monitoring instrument designed for continuous conductivity measurement in industrial, environmental, and chemical process applications. Using advanced electrolytic conductivity technology combined with a microcontroller-based digital processing circuit, it delivers stable, accurate, and real-time EC data with automatic temperature compensation.
Its IP68-rated waterproof design allows continuous submersion up to 60 meters, making it suitable for industrial tanks, chemical process pipelines, reservoirs, rivers, and wastewater treatment systems. Real-time conductivity readings are transmitted via RS485 Modbus RTU, enabling seamless integration with PLC, DCS, SCADA, and industrial IoT monitoring platforms, supporting smart water management, environmental compliance, and process optimization.
Key Features
- High-Precision Conductivity Measurement: Electrolytic conductivity technology ensures accurate EC readings across wide measurement ranges up to 200 mS/cm or 500 mS/cm
- Automatic Temperature Compensation: Maintains measurement accuracy from 0–60°C, providing stable data in variable environmental conditions
- Fast Response Time: Data stabilizes within 30 seconds, ideal for real-time industrial and environmental monitoring
- Excellent Repeatability and Low Drift: Zero drift ±1% and range drift ±1% with fine measurement resolution, ensuring consistent and reliable conductivity data
- Long-Term Measurement Stability: Voltage stability within ±1% and sample comparison accuracy ±1%, suitable for continuous operation in demanding environments
- IP68 Waterproof Design: Supports long-term submersion up to 60 meters, enabling deployment in harsh industrial and environmental conditions
- Industrial Communication Interface: RS485 Modbus RTU output enables easy integration with PLC, DCS, SCADA, and IoT monitoring systems
Application Scenarios
- Environmental Water Monitoring: Rivers, lakes, reservoirs, and coastal water quality assessment
- Water and Wastewater Treatment: Continuous EC monitoring in industrial water treatment plants, municipal wastewater systems, and chemical effluent control
- Industrial Process Control: Conductivity measurement in chemical, pharmaceutical, and food processing industries
- Saline and Brine Applications: Accurate monitoring in saltwater, brine, and other high-conductivity industrial liquids
- Online Tank and Pipeline Monitoring: Integration in industrial tanks, pipelines, and laboratory systems for real-time process management
- IoT Smart Water Networks: Compatible with telemetry, SCADA, and remote IoT platforms for continuous automated monitoring and management
Technical Specifications
| Parameter | Specification |
|---|---|
| Measurement Method | Electrode Method |
| Measurement Range | 0–200 / 500 mS/cm, adjustable |
| Accuracy | ±1% |
| Repeatability | ≤1% |
| Resolution | 0.01 μS/cm |
| Response Time | <30 s |
| Zero Drift | ±1% |
| Range Drift | ±1% |
| Temperature Compensation | Automatic, 0–60°C, ±1% |
| Actual Water Sample Comparison | ±1% |
| Voltage Stability | ±1% variation in reading |
| Protection Rating | IP68, submersion up to 60 meters |
| Communication Interface | RS-485 (Modbus RTU) |
| Power Supply | 12–24 V DC |
| Housing Material | ABS/PC Alloy |
| Installation | Submersible, 3/4 NPT |
| Cable Length | Standard 5 m, customizable |
